MP3 stands for "MPEG 1 Audio layer-7.6 cm (3"). .MP3 is a revolutionary compression technology by which large digital music files can be made up to 10 times smaller without radically degrading their audio quality. MP3 has become the standard audio compression format used on the world wide web, allowing quick and easy audio file transfer.

Thanks to the complete file transferability, you can easily enjoy the convenience and fun of accessing more digital music via the built-in USB Direct.

The Audio-in connectivity allows direct playback of Audio-in content from portable media players. Besides the benefit of enjoying your favourite music in the superior sound quality delivered by the audio system, the Audio in is also extremely convenient as all you have to do is to plug your portable MP3 player into the audio system.